Question

find the value of (7^-1 -8^-1)-(3^-1 - 4^-1) ​

Answer 1

Step-by-step explanation:

$(7 {}^{ - 1} - 8 {}^{ - 1} ) - ( { 3 }^{ - 1} - {4}^{ - 1)}$

$(0.142 - 0.125) - (0.33 - 0.25)$

$- 0.063$

$thanks$